This reference provides the listed dimensions and weight for 10 inch Schedule STD pipe, also identified as NPS 10 and DN250. Use the table as a dimensional reference when coordinating piping layouts, fittings, flanges, supports, procurement documents, and fabrication details.
The page also explains how Schedule STD relates to standard-weight steel pipe terminology and includes a downloadable DWG file for drafting and CAD coordination. Confirm the project specification, material requirements, service conditions, and applicable design checks before using the data for engineering decisions.
Schedule STD Pipe 10 Inch (DN250) is a steel pipe size commonly used in industrial and utility piping systems where standard dimensions, structural reliability, and dependable flow capacity are important. Based on the current page data under ANSI/ASME B36.10, this pipe size has an outside diameter of 273.1 mm, an inside diameter of 254.46 mm, a wall thickness of 9.27 mm, and a pipe weight of 60.29 kg/m.
10 Inch Schedule STD Pipe Dimensions
The following values are listed for NPS 10 Schedule STD pipe, which corresponds to DN250 in metric designation.
- Pipe Size: NPS 10 Inch
- DN Size: DN250
- Outside Diameter (OD): 273.1 mm
- Inside Diameter (ID): 254.46 mm
- Wall Thickness: 9.27 mm
- Pipe Weight: 60.29 kg/m
- Pipe Weight Including Water: 111.11 kg/m
- Reference Standard: ANSI/ASME B36.10
Schedule STD Pipe 10 Inch (DN250) Data Table
| Pipe Schedule | NPS | DN | OD (mm) | ID (mm) | Wall Thickness (mm) | Weight (kg/m) |
|---|---|---|---|---|---|---|
| STD | 10 Inch | 250 | 273.1 | 254.46 | 9.27 | 60.29 |
What Is Schedule STD Pipe?
Schedule STD means Standard Weight in the IPS pipe system and is commonly referenced for carbon steel and steel pipe dimensions under ASME B36.10. In practical piping work, Schedule STD is used as a standard wall thickness designation for many nominal pipe sizes. It helps engineers, fabricators, and buyers confirm dimensional compatibility, estimate weight, and coordinate with fittings, flanges, supports, and structural loads.
Common Uses of 10 Inch Schedule STD Pipe
10 inch Schedule STD pipe is commonly used in industrial and utility piping systems where good flow capacity and standard steel pipe dimensions are required. This size is often selected for water, cooling, transmission, and plant services where reliable dimensional data is important for design, fabrication, and construction.
- Water transmission lines for plant and utility service
- Cooling water systems in industrial facilities
- Stormwater and drainage piping in infrastructure projects
- Industrial utility piping for bulk fluid transport
- Pipeline headers and manifolds in process plants
- Pump suction and discharge lines where larger diameter piping is needed
- Municipal and public works projects requiring steel pipe sizes
- Replacement and upgrade projects where standard pipe dimensions are required
In practical engineering work, this pipe size may be reviewed when checking flow capacity, support loading, transport weight, handling requirements, and installation planning. Final pipe selection should always be verified against project pressure, temperature, fluid type, corrosion allowance, and material specifications.
Why OD, ID, Thickness, and Weight Matter
Exact OD, ID, wall thickness, and weight values are important for support design, material take-off, transport planning, lifting studies, welding preparation, and installation work. For a pipe as large as 10 inch DN250, accurate weight data is useful for crane selection, support design, and logistics planning. Inside diameter is also important for flow calculations and hydraulic capacity review.
NPS 10 and DN250 Explained
NPS means nominal pipe size in inch units, while DN means diameter nominal in metric units. The current page identifies this pipe as NPS 10 and DN250, which is the standard naming format widely used in piping drawings, specifications, and procurement documents.
Conclusion
Schedule STD Pipe 10 Inch (DN250) is listed on the current page with 273.1 mm OD, 254.46 mm ID, 9.27 mm wall thickness, and 60.29 kg/m weight. It is a useful steel pipe reference for engineers, designers, and buyers who need standard dimensional and weight data for piping systems and project coordination.
How to Use This 10 Inch Pipe Reference
Start with the listed outside diameter when checking physical clearance, fitting compatibility, flange interfaces, and routing space. Use the listed inside diameter for preliminary flow-area and hydraulic reviews, while recognizing that final calculations may also require allowances and project-specific assumptions.
The wall thickness helps identify the dimensional form of the pipe and supports fabrication, welding, and connection coordination. The listed pipe weight is useful for material takeoffs, transport planning, handling studies, and preliminary support-load reviews. Actual design checks should account for the complete piping assembly and the governing project requirements.
Schedule STD, Fittings, and Related References
Schedule STD is a dimensional designation, not a complete statement of pressure capability or service suitability. Pipe selection should be reviewed together with material grade, corrosion allowance, temperature, fluid, joining method, and the applicable piping design requirements.
For broader project coordination, this page can be linked with the site’s references for pipe schedules, NPS and DN pipe sizing, pipe fittings, flanges, and pipe support design. Those related resources help readers move from a nominal size reference to connection selection, layout checking, and installation planning.
CAD and Drafting Use
The downloadable DWG resource can support preliminary layout work, equipment-area coordination, and drafting references. Before issuing a drawing, verify units, layer conventions, connection details, material specifications, and the project model or fabrication standard used by the design team.
Frequently Asked Questions
What does Schedule STD mean?
Schedule STD means Standard Weight in the inch-based IPS pipe system. It identifies a standard dimensional wall designation used for coordination of pipe, fittings, flanges, supports, and procurement information.
Are NPS 10 and DN250 the same pipe designation?
On this page, NPS 10 and DN250 identify the same nominal pipe size using inch-based and metric naming conventions. They are nominal designations and should be checked against the listed outside diameter when coordinating components.
Does Schedule STD alone establish a pressure rating?
No. Schedule STD describes dimensional configuration, but pressure and service suitability also depend on material, temperature, fluid, corrosion allowance, joining details, and the governing project design requirements.
Why is pipe weight important?
Pipe weight affects material takeoffs, transportation, lifting, handling, support design, and installation planning. The weight of connected fittings, valves, insulation, contents, and other attachments must also be considered where applicable.
What can the DWG download be used for?
The DWG file can be used as a drafting and CAD reference for preliminary layouts and coordination. Review its units and project conventions before incorporating it into an issued design or fabrication document.